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/*
Random number generator sample for BoostC compiler.
Use the 'Led Block' plugin to see
changing random value on port B.
*/
#include <system.h>
#include <rand.h>
#pragma CLOCK_FREQ 20000000
// Set configuration word
#ifdef _PIC16
#pragma DATA 0x2007, _HS_OSC & _WDT_OFF
#endif //_PIC16
void main()
{
trisb = 0; //configure port B
portb = 0;
#ifdef _PIC16
option_reg = 7; //set prescaler
set_bit( intcon, GIE );
set_bit( intcon, T0IE ); //enable TMR0 overflow bit
#else
clear_bit( t0con, T0CS ); // select internal clock
clear_bit( t0con, PSA ); // select pres-scaler
set_bit( t0con, T0PS0 ); // set pres-scaler to 1:256
set_bit( t0con, T0PS1 );
set_bit( t0con, T0PS2 );
// enable interrupts
set_bit( intcon, GIE );
set_bit( intcon, TMR0IE ); //enable TMR0 overflow bit
#endif
//Set ramdom number generator seed
srand( 0x1234 );
while( 1 ) //endless loop
{
portb = rand();
delay_ms( 100 );
}
}
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